Sexena M K <br/><br/>
Biosphere as an ecosystem 

 - New Delhi  Alp books  2013 
<br/><br/><label>ISBN: </label>9789382215721 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geographical science<br/>Biological science<br/>Biogeography<br/>Classification of biosphere<br/>Plant and vegetation 
<br/><br/><label>Dewey Class. No.: </label>333.95  / SEX.B